* [chanfana v3.3.0](https://github.com/cloudflare/chanfana) – OpenAPI 3 and 3.1 schema generator and validator for Hono, itty-router and other routers.

* [kin-openapi v0.134.0](https://github.com/getkin/kin-openapi) – OpenAPI v2 and v3 implementation for Go with parsing, conversion, and validation.

* [ApiDOM v1.7.0](https://github.com/swagger-api/apidom) – Unifying structure for describing APIs across multiple description languages and serialization formats.

* [OpenAPI React Query Codegen v2.1.0](https://github.com/7nohe/openapi-react-query-codegen) – Code generator that creates React Query (TanStack Query) hooks from an OpenAPI schema.

* [OpenAPI v1.22.0](https://github.com/speakeasy-api/openapi) – Go packages and CLI tools for reading, mutating, validating, upgrading, and applying overlays to API specification documents.

* [Swagno v3.2.0](https://github.com/go-swagno/swagno) – Generate Swagger 2.0 or OpenAPI 3.0 documentation for Go without annotations, exported files, or commands.

* [swagger-axios-codegen 0.18.1](https://github.com/Manweill/swagger-axios-codegen) – Swagger client that uses axios and TypeScript.

* [vacuum v0.25.2](https://github.com/daveshanley/vacuum) – Ultra-fast, lightweight OpenAPI and Swagger linter compatible with Spectral rulesets.

* [libopenapi v0.34.3](https://github.com/pb33f/libopenapi) – High performance Go library for parsing, validating, and handling OpenAPI 2, 3, and 3.1 specifications.

* [apigen-ts v1.3.0](https://github.com/vladkens/apigen-ts) – Generate a single-file, fully typed TypeScript fetch client from OpenAPI/Swagger supporting v2, v3, and v3.1.

* [Zudoku v0.71.2](https://github.com/zuplo/zudoku) – OpenAPI-powered documentation framework with plugin extensibility and an integrated authenticated playground.

* [OpenAPI to CLI (ocli) v0.1.13](https://github.com/EvilFreelancer/openapi-to-cli) – Turns any OpenAPI/Swagger-described HTTP API into runtime CLI commands, exposing one subcommand per endpoint.

* [next-openapi-gen v0.10.5](https://github.com/tazo90/next-openapi-gen) – Automatically generates OpenAPI 3.0 documentation from Next.js projects with Zod and TypeScript support.

* [OpenAPI Changes v0.0.97](https://github.com/pb33f/openapi-changes) – Tool that detects and reports changes between OpenAPI and Swagger specifications, offering terminal and HTML reports.

* [libopenapi-validator v0.13.3](https://github.com/pb33f/libopenapi-validator) – OpenAPI validation extension that validates HTTP requests, responses, OpenAPI documents, and JSON/YAML schemas.

* [Gram server@0.28.1](https://github.com/speakeasy-api/gram) – Platform for creating, curating, and hosting MCP servers with a TypeScript SDK, OpenAPI support, and tools to build agent-accessible toolsets.

* [Tracecat 1.0.0-beta.34](https://github.com/TracecatHQ/tracecat) – Modern automation platform for security and IT engineers with YAML templates, no-code workflows, lookup tables, and case management.